Air conditioner indoor unit

Abstract

The present invention relates to the field of air conditioning, and in particular to an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises: a casing and a cover plate. The casing is provided with a disassembly opening that penetrates the casing, and a bayonet is correspondingly provided at the periphery of the disassembly opening. The cover plate is used to close the disassembly opening. The cover plate is provided with a clamping structure and a fastening structure. The clamping structure is arranged to be detachably clamped with the casing from the outside of the casing. The fastening structure is arranged to extend into the casing. The fastening structure is arranged to pass through the bayonet and can be fastened to the casing from the inside of the casing by a fastener. The indoor unit of the air conditioner of the present invention can simultaneously meet the needs of replacing the purification module and the needs of not replacing the purification module. In this way, casings of the same series and different models can be produced simultaneously through only one production line, saving production costs and saving occupied area.

Description

Technical Field

[0001] The invention relates to the field of air conditioning, in particular to an indoor unit of an air conditioner. Background Art

[0002] Among the existing indoor units of the same series of air conditioners, some models need to replace the purification module while others do not. For the indoor units that need to replace the purification module, the housing is provided with a purification cover that can be removed from the outside to replace the purification module that needs to be replaced; for the indoor units that do not need to replace the purification module, the housing is a continuous surface to meet safety regulations. Therefore, it is necessary to set up multiple housing production lines for different models of indoor units in the same series, which is costly. Summary of the invention

[0003] An object of the present invention is to provide an air conditioner indoor unit, whose casing and cover plate structure are suitable for both models that need to replace the purification module and models that do not need to replace the purification module.

[0004] A further object of the present invention is to simplify the removal of the cover.

[0005] In particular, the present invention provides an indoor unit of an air conditioner, comprising: a casing, provided with a disassembly opening passing through the casing; and a cover plate, used to close the disassembly opening; wherein the cover plate is provided with a snap-fitting structure, which is configured to be detachably snap-fitted to the casing from the outside of the casing; and the cover plate is also provided with a fastening structure extending into the casing, a snap-fitting opening is correspondingly provided at the periphery of the disassembly opening, and the fastening structure is configured to pass through the snap-fitting opening and be fastened to the casing from the inside of the casing through fasteners.

[0006] Furthermore, the clamping structure includes: at least one clamping hook, which is arranged to bend and extend from the end of the cover plate away from the fastening structure toward the inner side of the housing, and the clamping hook is arranged to be clamped with the inner surface of the housing.

[0007] Furthermore, the snap-on structure also includes: at least one latch tongue, which is arranged to extend from the circumferential end of the cover plate to the inner side of the casing; and the indoor unit also includes: at least one elastic member, which is fixed at the periphery of the disassembly port and is provided with a push-pop-out mechanism, and at least one latch tongue is arranged to be respectively snap-on with the push-pop-out mechanism of at least one elastic member.

[0008] Further, the elastic member includes: a main body, which is provided with a press-pop-up mechanism; an elastic claw, whose inner end is configured to be connected to the inner end of the main body, and the outer end is a free end; and a boss, which is configured to extend from the outer end of the main body along the radial direction of the main body; and at least one stepped through hole recessed inwardly is correspondingly opened at the periphery of the disassembly port, the elastic claw is configured to be engaged with the inner periphery of the through hole, and the inner surface of the boss is configured to cooperate with at least one step surface of at least one stepped through hole.

[0009] Furthermore, the clamping structure also includes: at least one clamping tongue, which is arranged on the side of the cover away from the hook; and the indoor unit also includes: at least one elastic member, which is fixed at the periphery of the disassembly port and is provided with a push-pop-up mechanism, and at least one clamping tongue is arranged to be respectively clamped with the push-pop-up mechanism of at least one elastic member.

[0010] Furthermore, the fastening structure comprises: a fastening section, which is used for fastening connection with the fastener; and an avoidance section, which is arranged to extend from a portion of the inner end of the fastening section close to the bayonet toward the inner side of the housing.

[0011] Furthermore, a gap is left between the inner end of the fastening section and the housing.

[0012] Furthermore, the fastener comprises: a stud, which is arranged to be fastened to the fastening section; and a head, whose end surface close to the stud is arranged to cooperate with the inner end surface of the avoidance section and the inner periphery of the bayonet.

[0013] Furthermore, an anti-shrinkage groove extending from far to near relative to the hook is provided at the end of the fastening section away from the avoidance section.

[0014] Furthermore, the housing is formed with an inwardly recessed step structure, and the bayonet is provided on the bottom surface of the step structure.

[0015] The cover plate of the present invention is provided with a fastening structure extending inward, and can be connected to the transverse decorative plate only by the snap-fit ​​structure or by both the fastener and the snap-fit ​​structure, so as to meet the needs of indoor unit models that need to replace the purification module and those that do not. That is, for indoor unit models that need to replace the purification module, no fasteners are required, and the cover plate and the transverse decorative plate are only fastened by the snap-fit ​​structure; for indoor unit models that do not need to replace the purification module, the cover plate and the transverse decorative plate can be fastened and connected by fasteners and the fastening structure. In this way, the same series of transverse decorative plates of different models can be produced simultaneously through only one production line, saving production costs and improving production efficiency.

[0016] Furthermore, the present invention provides hooks and tongues at opposite ends of the cover plate to engage with the housing, which is not only quick and convenient to install but also has a stable and reliable structure.

[0017] Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will become more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0019] Figure 1 is a schematic exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;

[0020] Figure 2 yes Figure 1 a schematic side view of the middle casing;

[0021] Figure 3 yes Figure 2 A partial enlarged view of the middle area A;

[0022] Figure 4 yes Figure 1 A schematic side view of the middle cover;

[0023] Figure 5 is a schematic side view of an elastic member according to one embodiment of the present invention;

[0024] Figure 6 yes Figure 1 Schematic diagram of the middle housing and the cover plate when they are matched;

[0025] Figure 7 is a schematic side view of a fastener according to one embodiment of the present invention. DETAILED DESCRIPTION

[0026] Figure 1 1 , the present invention provides an air conditioner indoor unit 10. The indoor unit 10 may include a casing, an air supply assembly 500 disposed in the casing, and a cover plate 200.

[0027] The housing may be surrounded by a base 130, a front panel 110, two transverse decorative panels 140 and a rear panel 120. The rear panel 120 or one transverse decorative panel 140 may be provided with a disassembly opening 141 penetrating the panel. The cover plate 200 may be used to close the disassembly opening 141.

[0028] The technical solution of the present invention is described in detail below by taking the case where the cover plate 200 is arranged on a horizontal decorative plate 140 of the casing as an example.

[0029] Figure 2 yes Figure 1 Schematic side view of the mid-chassis. Figure 3 yes Figure 2 A partial enlarged view of area A in the middle.

[0030] Figure 4 yes Figure 1 A schematic side view of the middle cover plate 200. Figures 2 to 4 The cover plate 200 may be provided with a snap-fit ​​structure. The snap-fit ​​structure may be configured to be detachably snap-fitted with the transverse decorative plate 140 from the outer side of the transverse decorative plate 140 .

[0031] In particular, the cover plate 200 may also be provided with a fastening structure 220 extending into the transverse trim plate 140, and a bayonet 143 may be correspondingly provided at the periphery of the disassembly opening 141, and the fastening structure 220 may be provided to pass through the bayonet 143 and be fastened and connected with the transverse trim plate 140 from the inner side of the transverse trim plate 140 through the fastener 400. That is, by providing the fastener 400 to fasten the fastening structure 220 and the transverse trim plate 140 on the inner side of the transverse trim plate 140, the cover plate 200 may be prevented from being separated from the fastening relationship with the transverse trim plate 140 from the outer side of the transverse trim plate 140.

[0032] The cover plate 200 of the present invention is provided with a fastening structure 220 extending inward, and can be connected to the transverse decorative plate 140 only through the snap-fit ​​structure or through the fastener 400 and the snap-fit ​​structure at the same time, so as to meet the indoor unit 10 models that need to replace the purification module and those that do not need to replace the purification module. That is, for the indoor unit 10 model that needs to replace the purification module, the fastener 400 may not be provided, and the cover plate 200 and the transverse decorative plate 140 are only fastened through the snap-fit ​​structure; for the indoor unit 10 model that does not need to replace the purification module, the cover plate 200 and the transverse decorative plate 140 can be fastened and connected through the fastener 400 and the fastening structure 220. In this way, the same series of different models of transverse decorative plates 140 can be produced simultaneously through only one production line, saving production costs and improving production efficiency.

[0033] See also Figure 4 The snap-fit ​​structure may include at least one snap hook 211 and / or at least one snap tongue 212. The snap hook 211 may be configured to be bent and extend from the end of the cover plate 200 away from the fastening structure 220 toward the inner side of the transverse trim plate 140. The snap hook 211 may be configured to snap-fit ​​with the inner surface of the transverse trim plate 140 to limit the cover plate 200 from moving toward the outer side of the transverse trim plate 140.

[0034] Figure 5 FIG. 3 is a schematic side view of an elastic member 300 according to an embodiment of the present invention. Figure 4 and

[0035] Figure 5 The latch tongue 212 may be arranged to extend from the circumferential end of the cover plate 200 to the inner side of the transverse decorative plate 140. An elastic member 300 may be correspondingly arranged at the periphery of the disassembly opening 141, and the latch tongue 212 may be arranged to engage with the press-and-pop mechanism 340 of the elastic member 300 to limit the cover plate 200 from moving toward the outer side of the housing.

[0036] In some embodiments, the elastic member 300 may include a main body 310 , an elastic claw 320 , and a boss 330 . The main body 310 may be provided with a press-and-pop mechanism 340 .

[0037] The inner end of the elastic claw 320 can be configured to be connected to the inner end of the main body 310, and the outer end can be configured as a free end. At least one stepped through hole 142 recessed inwardly can be correspondingly opened at the periphery of the disassembly opening 141, and the elastic claw 320 can be configured to be engaged with the inner periphery of the through hole 142 to limit the outward displacement of the elastic member 300.

[0038] Figure 6 6 , the boss 330 may be configured to extend from the outer end of the main body 310 along the radial direction of the main body 310. The inner surface of the boss 330 may be configured to cooperate with at least one stepped surface of at least one stepped through hole 142 to limit the inward displacement of the elastic member 300.

[0039] Those skilled in the art can understand that the push-pop-out mechanism 340 is a mechanism that can alternately realize the engagement and automatic ejection of the latch tongue 212 by pressing the position of the cover plate 200 corresponding to the latch tongue 212. That is, the position of the cover plate 200 corresponding to the latch tongue 212 is pressed from the outside of the transverse decorative plate 140, and the latch tongue 212 is engaged with the push-pop-out mechanism 340, and the cover plate 200 is fixed at the disassembly opening 141. The position of the cover plate 200 corresponding to the latch tongue 212 is pressed again from the outside of the transverse decorative plate 140, and the latch tongue 212 is automatically ejected from the push-pop-out mechanism 340 of the elastic member 300, and the cover plate 200 is removed from the transverse decorative plate 140. The push-pop-out mechanism 340 is a structure well known to those skilled in the art, and will not be described in detail here.

[0040] In some embodiments, in order to help users identify where to apply force on the cover 200 to press and pop up the cover 200 with less effort, a mark such as "Press" may be set on the outer side of the cover 200 at a position corresponding to the latch 212.

[0041] In some embodiments, the snap-fit ​​structure may include a hook 211 and a tongue 212. The hook 211 and the tongue 212 may be disposed at opposite ends of the cover 200, for example, the upper end and the lower end, the front end and the rear end. In the illustrated embodiment, the number of the hooks 211 may be two, and both may be disposed at the lower end of the cover 200. The number of the tongue 212 may be one, and may be disposed at the upper end of the cover 200, which has a simple structure and is quick to install.

[0042] In other embodiments, the clamping structure may only include the clamping hook 211. The number of the clamping hook 211 may be multiple, respectively disposed at the upper end and the lower end of the cover plate 200 and bent and extended downward. In the present invention, multiple means two, three or more than three.

[0043] In some other embodiments, the snap-fit ​​structure may only include the snap-fit ​​tongue 212. There may be a plurality of snap-fit ​​tongues 212, which are respectively disposed at two opposite ends of the cover plate 200.

[0044] See also Figure 4 and Figure 7 In some embodiments, the fastening structure 220 may include a fastening section 222 and an avoidance section 223. The fastening section 222 may be used to fasten the fastener 400. The avoidance section 223 may be configured to extend from a portion of the inner end of the fastening section 222 close to the bayonet 143 toward the inner side of the transverse trim 140 to avoid interference between the fastening structure 220 and the transverse trim 140.

[0045] A gap may be left between the inner end of the fastening section 222 and the transverse trim panel 140 to further avoid interference between the fastening structure 220 and the transverse trim panel 140 .

[0046] Figure 7 is a schematic side view of a fastener 400 according to one embodiment of the present invention. Figure 7 The fastener 400 may include: a stud 410 and a head 420. The stud 410 may be configured to be fastened to the fastening section 222. The end surface of the head 420 close to the stud 410 may be configured to cooperate with the inner end surface of the avoidance section 223 and the inner periphery of the bayonet 143 to fix the fastening structure 220 to the bayonet 143.

[0047] See also Figure 4 The end of the fastening section 222 away from the avoidance section 223 may be provided with an anti-shrinkage groove 221 extending from far to near relative to the hook 211 to prevent the preset threaded hole of the fastening section 222 from shrinking during production.

[0048] See also Figure 6 The transverse decorative plate 140 may be formed with an inwardly recessed step structure 144, and the bayonet 143 may be opened on the bottom surface of the step structure 144 to prevent the bayonet 143 from shrinking during production.

[0049] In some embodiments, the cross section of the avoidance section 223 may be a semicircular ring. When the fastening structure 220 is inserted into the bayonet 143, the end surface of the avoidance section 223 away from the fastening section 222 forms a quasi-circular notch to increase the contact area between the head 420 and the avoidance section 223 and the periphery of the bayonet 143, thereby improving the stability of the fastener 400.

[0050] In other embodiments, the fastener 400 may be a cylindrical pin, a square pin, etc. The fastening structure 220 may be correspondingly provided with an axial hole extending from inside to outside, and the fastener 400 may be configured to be interference fit with the axial hole to achieve a fastened connection between the cover plate 200 and the transverse trim plate 140 .

[0051] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived based on the content disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all these other variations or modifications.

Claims

1. An air conditioner indoor unit, characterized in that: include: The casing is provided with a disassembly opening penetrating the casing; and A cover plate, used for closing the disassembly opening; in The cover plate is provided with a clamping structure, and the clamping structure is configured to be detachably clamped with the housing from the outside of the housing; and The cover plate is also provided with a fastening structure extending into the housing, and a bayonet is correspondingly provided at the periphery of the disassembly opening, and the fastening structure is arranged to pass through the bayonet and can be fastened to the housing from the inner side of the housing through a fastener; The clamping structure comprises: At least one hook is configured to bend and extend from an end of the cover plate away from the fastening structure toward the inner side of the housing, and the hook is configured to be engaged with the inner surface of the housing; The clamping structure further comprises: At least one latch is arranged to extend from the circumferential end of the cover plate toward the inner side of the housing; and the indoor unit further comprises: At least one elastic member is fixed at the periphery of the disassembly opening and is provided with a push-pop-out mechanism, and at least one of the latch tongues is configured to be respectively engaged with the push-pop-out mechanism of at least one of the elastic members; The elastic member comprises: A main body, provided with the press-to-pop-up mechanism; an elastic claw, the inner end of which is arranged to be connected to the inner end of the main body, and the outer end is a free end; and A boss is arranged to extend from the outer end of the main body along the radial direction of the main body; and At least one stepped through hole recessed inwardly is correspondingly opened at the periphery of the disassembly opening, the elastic claw is configured to engage with the inner periphery of the through hole, and the inner surface of the boss is configured to cooperate with at least one step surface of the at least one stepped through hole.

2. The air conditioner indoor unit according to claim 1, characterized in that: The clamping structure further comprises: At least one latch is disposed on a side of the cover away from the latch hook; and the indoor unit further comprises: At least one elastic member is fixed at the periphery of the disassembly opening and is provided with a push-and-pop mechanism, and at least one of the latch tongues is configured to be respectively engaged with the push-and-pop mechanism of at least one of the elastic members.

3. The indoor unit of the air conditioner according to claim 1, characterized in that: The fastening structure comprises: A fastening section, used for fastening connection with the fastener; and The avoidance section is configured to extend from a portion of the inner end portion of the fastening section close to the bayonet toward the inner side of the housing.

4. The air conditioner indoor unit according to claim 3, characterized in that: A gap is left between the inner end of the fastening section and the housing.

5. The air conditioner indoor unit according to claim 3, characterized in that: The fastener comprises: a stud, configured to be fastened to the fastening section; and The head, whose end surface close to the stud is arranged to cooperate with the inner end surface of the avoidance section and the inner peripheral edge of the bayonet.

6. The air conditioner indoor unit according to claim 5, characterized in that: An end of the fastening section away from the avoiding section is provided with an anti-shrinkage groove extending from far to near relative to the hook.

7. The air conditioner indoor unit according to claim 1, characterized in that: The housing is formed with an inwardly recessed step structure, and the bayonet is arranged on the bottom surface of the step structure.

Images